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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-15044) Wasb getFileBlockLocations() returns too many locations.
Date Thu, 16 Nov 2017 19:37:00 GMT
Steve Loughran created HADOOP-15044:

             Summary: Wasb getFileBlockLocations() returns too many locations.
                 Key: HADOOP-15044
                 URL: https://issues.apache.org/jira/browse/HADOOP-15044
             Project: Hadoop Common
          Issue Type: Sub-task
            Reporter: Steve Loughran

The wasb mimicking of {{getFileBlockLocations()}} uses the length of the file as the number
to use to calculate the # of blocks to create (i.e. file.length/blocksize), when it should
be just the range of the request.

As a result, you always get the number of blocks in the total file, not the number spanning
the range of (start, len). If this is less (i.e start > 0 or len < file.length), you
end up with some 0-byte-range blocks at the end

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